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Dive into the research topics where Michel Godefroid is active.

Publication


Featured researches published by Michel Godefroid.


Journal of Physics B | 1991

E1 transitions of astrophysical interest in neutral oxygen

Alan Hibbert; Emile Biémont; Michel Godefroid; Nathalie Vaeck

Atomic transition rates and f values have been calculated in the triplet and quintet systems and for some intercombination lines of neutral oxygen. Configuration interaction was included in the calculations performed with the CIV3 code of Hibbert (1975) for all the transitions connecting the n=3 and n=4 energy levels. In order to reproduce the observed energy splittings between the energy states, small empirical adjustments were introduced to the diagonal matrix elements. Comparisons with previously published f values and radiative lifetimes are discussed and the subsequent astrophysical applications of the results are briefly mentioned.


Archive | 2010

Isotope effects in atomic spectroscopy of negative ions and neutral atoms: a theoretical contribution

Thomas Carette; Michel Godefroid


Archive | 2015

Accounting for core-core effects in multiconfiguration calculations of isotope shifts

Livio Filippin; Jörgen Ekman; S. Fritzsche; Michel Godefroid; Per Jönsson


Archive | 2014

Isotope shift parameters in Al I for the 3p-4s and 3p-3d lines

Livio Filippin; Jörgen Ekman; S. Fritzsche; Michel Godefroid; Per Jönsson


Archive | 2013

Relativistic effects on the hyperfine structures of 2p 4 ( 3 P)3p 2 D o , 4 D o ,a nd 4 P o in 19 F I

Thomas Carette; Messaoud Nemouchi; Jiguang Li; Michel Godefroid; Houari Boumediene


Archive | 2010

Saturation spectra of low lying states of Nitrogen revisited

Thomas Carette; Messaoud Nemouchi; Per Jönsson; Michel Godefroid


Archive | 2006

Ab initio calculations of the Sulfur electron-affinity: The atomic and molecular approaches

Thomas Carette; Michel Godefroid; Jacques Liévin; Oliver Scharf


Archive | 2004

Proceedings of the 35th Conference of the European Group of Atomic Spectroscopy

Michel Godefroid; Nathalie Vaeck


Archive | 2000

Theoretical evaluation of the Be- 2s2p² 4P hyperfine parameters and Be 2s2p ³Po electron-affinity

Michel Godefroid; Per Jönsson; Messaoud Nemouchi


Proceedings of the 6th International Colloquium on Atomic Spectra and Oscillator Strengths (ASOS6) | 1998

MCHF and MCDF calculations of two-electron-one-photon transitions from hollow atoms

Nathalie Vaeck; S. Fritzsche; Michel Godefroid

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Nathalie Vaeck

Queen's University Belfast

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J.E. Hansen

University of Amsterdam

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Jacques Liévin

Université libre de Bruxelles

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Thomas Carette

Université libre de Bruxelles

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Abdellatif Aboussaid

Université libre de Bruxelles

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Alan Hibbert

Queen's University Belfast

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Livio Filippin

Université libre de Bruxelles

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